Home / 51,873.60-77,815.80-14,433.78

Finding the Fourth Proportional to 51,873.60, 77,815.80 and 14,433.78

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Solution

The fourth proportional to 51,873.60, 77,815.80 and 14,433.78 is: 21,652.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,873.60 : 77,815.80 = 14,433.78 : x
  2. Step 2: Convert to fraction form
    51,873.60/77,815.80 = 14,433.78/x
  3. Step 3: Cross multiply
    51,873.60x = 77,815.80 × 14,433.78
  4. Step 4: Simplify right side
    51,873.60x = 1,123,176,137.72
  5. Step 5: Solve for x
    x = 1,123,176,137.72/51,873.60
  6. Step 6: Final answer
    x = 21,652.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.